Add an assert to the OSS-Fuzz build

This is to try to get around a Clang miscompilation

Signed-off-by: Gavin D. Howard <[email protected]>

src/vm.c

@@ -1844,6 +1844,12 @@ bc_vm_atexit(BcStatus status)
 	bc_vec_free(&vm->jmp_bufs);
 #endif // BC_DEBUG
 
+#if BC_ENABLE_OSSFUZZ
+	assert(status != BC_STATUS_QUIT);
+#endif // BC_ENABLE_OSSFUZZ
+
+	assert(false);
+
 	return s;
 }
 #endif // BC_ENABLE_LIBRARY